The opening shot ("The Dark Side Of The Moon") as it appears in the episode.
Alternative versions of the opening shot. The Earth is a thin crescent (not immediately recognisable as Earth), and the Sun has a brilliant halo.
Another version, this time with a larger Earth. The Moon casts a large shadow over it.
The second shot ("Nuclear Waste Disposal Area Two") as it appears in the episode.
Two alternative versions of the second shot, filmed on 27th December 1973.
Another two versions of the second shot, this time panning from the disposal area to the depot (barely seen in the final episode).
Space 1999 copyright ITV Studios Global Entertainment